Stainless steel plates came out in the early 20th century and have a history of more than a century. Stainless steel plate has many advantages, such as: smooth surface, high plasticity, toughness and mechanical strength, corrosion resistance of acids, alkaline gases, solutions and other media. It is an alloy steel that is not easy to rust, but it is not rust-free. Stainless steel plate is generally a general term for stainless steel plate and acid-resistant steel plate. Stainless steel plate refers to steel plate resistant to corrosion by weak media such as atmosphere, steam and water, while acid-resistant steel plate refers to steel plate resistant to corrosion by chemical corrosive media such as acid, alkali and salt. Since stainless steel plates came out at the beginning of this century, the development of stainless steel plates has laid an important material and technical foundation for the development of modern industry and technological progress..
There are many kinds of stainless steel plates and steel plates with different properties. It has gradually formed several categories in the development process. According to the organizational structure, it is divided into four categories: austenitic stainless steel plate, martensitic stainless steel plate (including precipitation hardened stainless steel plate), ferritic stainless steel plate, and austenitic plus ferritic duplex stainless steel plate; according to the steel plate The main chemical composition or some characteristic elements in the steel plate are classified into chromium stainless steel plate, chromium nickel stainless steel plate, chromium nickel molybdenum stainless steel plate and low carbon stainless steel plate, high molybdenum stainless steel plate, high purity stainless steel plate, etc. The commonly used classification method is based on the structural characteristics of the steel plate and the chemical composition of the steel plate, as well as the combination of the two. . It has a wide range of uses. Typical uses: heat exchangers for pulp and papermaking equipment, mechanical equipment, dyeing equipment, film washing equipment, pipelines, exterior materials for buildings in coastal areas, etc.
There are many advantages of stainless steel plates. Let's introduce the corrosion resistance, high temperature oxidation resistance and physical properties of stainless steel plates.
(1) Corrosion resistance. The stainless steel plate has the ability to resist general corrosion similar to the unstable nickel-chromium alloy 304. Long-term heating in the temperature range of chromium carbide may affect alloys 321 and 347 in harsh corrosive media. Mainly used in high temperature applications, high temperature applications require materials to have strong sensitization resistance to prevent intergranular corrosion at lower temperatures.
(2) High temperature oxidation resistance. Stainless steel plates have high temperature oxidation resistance, but the oxidation rate will be affected by inherent factors such as exposure environment and product form.
(3) Physical properties. The total heat transfer coefficient of a metal depends on other factors besides the thermal conductivity of the metal. In most cases, the film heat dissipation coefficient, scale and metal surface condition. Stainless steel can keep the surface clean, so its heat transfer is better than other metals with higher thermal conductivity. Liaocheng Suntory Stainless Steel provides technical standards for stainless steel plates. Stainless steel plates have high-strength stainless steel plates with excellent corrosion resistance, bending workability, toughness of welding parts, and excellent stamping performance of welding parts and their manufacturing methods.
Wuxi Hongwang provides a variety of high-quality stainless steel plates. Our products use advanced processing technology. More news and information are available in Wuxi Hongwang.
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Stainless steel alloys are popular for applications big and small across numerous industries.
There’s a good chance that there is a stainless steel product or piece of stainless steel equipment within a short walk of where you are right now.
But if you’re looking to design a system, create stunning designs, or fabricate parts and equipment, you’ll have to start with basic stainless steel products and work from there.
In this guide, we’re going to look at the most common stainless steel shapes and sizes you’ll encounter and the considerations you should make when determining the ideal product for your next project.
Before we dive into the various characteristics of alloys, finishes, and other more metallurgic details, we should explore the different shapes and formats in which stainless steel is sold today.
Each will offer different benefits depending on your intended use.
As such, understanding your options can help you to find a format that is most closely matched to your needs and avoid additional costs and time spent on further processing before you can use your stainless steel.
Stainless steel sheet is the most flexible option in most cases–both in terms of sizing and shape and in your ability to form it to fabricate products or meet your design specifications.
Depending on your needs, you’ll find stainless steel sheets in thicknesses up to around 6mm.
Products above this thickness tend to fall into the plate form instead.
If you’re sourcing your sheet from the U.S., you might also find this thickness listed by gauge instead of in millimeters.
In most cases, the stainless steel supplier will offer a range of standardized sizes.
Common sizes include 48-inches-by-120-inches (roughly 122-centimeters-by-305-centimeters), 60-inches-by-120-inches (roughly 152-centimeters-by-305-centimeters), and 72-inches-by-120-inches (roughly 183-centimeters by 305-centimeters.)
However, many suppliers can also offer metal cutting services using plasma cutters, waterjet cutters, and other tools to provide a product that precisely meets your ideal size and shape.
Sheet is ideal when you plan to shape or cut the base stainless form to create lighter-weight parts and equipment.
Most sheets are delivered in an annealed state, providing an excellent balance of strength and malleability.
This means you can often take stainless steel sheets directly from shipping to the press for shaping or welding table for fabrication with minimal preparation or pre-processing.
Since the sheet is often cut into standardized sizes, it’s also easier and more space-efficient to store than some other forms.
However, if you plan to stack or store stainless with a mirror or high-gloss finish, be sure to consider any precautions to avoid marring your product's finish before use.
Stainless steel sheet is commonly used in the chemical, construction, food service, marine, transportation, and textile industries.
Stainless steel plates can share many similarities with stainless steel sheets.
However, it starts at higher thicknesses in most cases and is often smaller in overall surface area.
Plate is also available in standard sizes, though these tend to start smaller–around the 12in-by-12in (or 30cm-by-30cm) range and topping out around 48-inches-by-120-inches (roughly 122cm-by-305cm.)
However, like with sheets, you can also order these with custom cuts and sizes to fit your intended application or any special needs you might have.
Keep in mind that thicker pieces will typically mean greater weight when compared to stainless steel sheets of comparable size.
However, this also means increased strength depending on the need.
Stainless steel plate is commonly used in the chemical, construction, food service, marine, transportation, and textile industries.
Unlike stainless steel plate or sheets, stainless steel bar comes in various shapes, including round, square, hex along with angle and flat bar and hollow bar.
Their names essentially refer to their shape, giving an easy way to start limiting choices to find your ideal bar type.
Like plate and sheet, stainless steel bars are available in various thicknesses (or diameters depending on the shape.) Standard sizes range from 3mm to 25mm.
Flat bars are often used to help form base plates and brackets or reinforce key areas where plate might otherwise be a poor choice.
Round stainless steel bars (sometimes referred to as stainless steel rounds) are very popular in machining for creating fasteners, threaded tubes or shafts, and other items.
Hexagonal and hollow bars are often used in weight-bearing scenarios and the fabrication of many common structural beam elements–including I beams, H beams, and C beams. However, hexagonal bars can also have machining uses similar to stainless steel rounds, allowing for rapid production of nuts and other fasteners.
Square bars fit well into both categories, providing excellent structural and load-bearing support while also being an ideal shape and format for machining and fabricating various fasteners.
Of course, when choosing the ideal stainless steel product for your needs, the actual format is just a part of the overall decision.
You also need to determine the best stainless steel alloy, ideal finishes, and other traits that might impact your components' service life and overall fit for your budget.
Most plate, sheet, or bar products will be available in a range of alloys, including those in the 200, 300, and 400 series.
However, you might also find that specialized grades are available for specific uses.
300-series stainless steel will provide an excellent balance of cost, weight, fabrication ability, and corrosion resistance in most cases.
However, 400-series steel is popular in food service applications, medical environments, or when looking for a ferritic stainless option.
If you’re looking for more information regarding the various stainless alloys and their traits, be sure to consult our guide to stainless steel grades and families.
Finishes are another consideration that can impact overall costs and better align your stainless steel with your intended use.
For example, mirror finishes (#8) might look impressive but quickly pick up fingerprints and show scratches and other wear easier.
As such, if they’re in a high-traffic or touch-heavy environment, you might spend an unreasonable amount of time maintaining that finish.
You’ll also need to take extra precautions when storing the steel or fabricating and assembling to avoid damage. In many cases, a protective liner is recommended to avoid mishaps.
By contrast, brushed finishes (#4)–popular in food service and appliance use–offer a clean, professional appearance with far fewer cleaning and maintenance requirements.
On the other hand, if you plan to do extensive fabrication or welding, you might find it best to apply a finish yourself.
In these cases, opting for a product with a 1, 2B, or 2BA finish could reduce costs and allow greater flexibility.
For more information, including typical uses and any considerations to keep in mind, be sure to consult our guide to stainless steel finishes.
This final consideration touches on points related to virtually everything considered so far.
If you’re planning to cut, weld, rivet, or modify the steel in any way, be sure to consider any stresses applied to the steel and potential treatments which might be required to return the steel to an ideal state.
For example, extensive welding or the heat of plasma cutting might require you to consider pickling, electropolishing, or other heat treatments to ensure that the passive layer is effectively restored and promote optimal corrosion resistance.
Riveting or fastening will require you to consider any hardware used to minimize galvanic corrosion risks.
Tapping or threading stainless steel bars and other parts will likely require attention to machined areas to ensure complete restoration of the passive layer and avoid corrosion risks.
By understanding these factors in advance, you can avoid maintenance surprises, optimize costs, and pick stainless steel products that are best suited for your uses and environment.For more than four decades, Unified Alloys has helped supply industries large and small throughout Canada and North America. If you’re searching for stainless steel bar, plate, or sheet products , our comprehensive selection and experienced sales analysts are ready to help! Contact us today to discuss your needs.
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